- UID
- 937730
- 性别
- 女
- 来自
- 山西
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Fail-Safe High Speed CAN Chip
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UJA1066故障保护系统基础芯片(SBC)采用了一个控制器区域网络(CAN)接口,替代了电子控制单元(ECU)常用的基本分立元器件。故障保护SBC支持所有的,采用高速CAN作为主网络接口的,控制各种电源和传感器外设的网络应用程序。故障保护SBC包含了以下集成器件:
•高速CAN收发器,可互操作和向下兼容CAN收发器TJA1041和TJA1041A,兼容ISO 11898-2和ISO11898-5标准(筹备中)
•先进的独立看门狗
•专用电压调节器,用于微控制器和CAN收发器
•串行外设接口(全双工)
•本地唤醒输入端口
• Inhibit/limp-home输出端口
The UJA1066 fail-safe System Basis Chip (SBC) replaces basic discrete components which are common in every Electronic Control Unit (ECU) with a Controller Area Network (CAN) interface. The fail-safe SBC supports all networking applications that control various power and sensor peripherals by using high-speed CAN as the main network interface. The fail-safe SBC contains the following integrated devices:
High-speed CAN transceiver, interoperable and downward compatible with CAN transceiver TJA1041 and TJA1041A, and compatible with the ISO 11898-2 standard and the ISO 11898-5 standard (in preparation)
Advanced independent watchdog
Dedicated voltage regulators for microcontroller and CAN transceiver
Serial peripheral interface (full duplex)
Local wake-up input port
Inhibit/limp-home output port
In addition to the advantages of integrating these common ECU functions in a single package, the fail-safe SBC offers an intelligent combination of system-specific functions such as:
Advanced low-power concept
Safe and controlled system start-up behavior
Advanced fail-safe system behavior that prevents any conceivable deadlock
Detailed status reporting on system and subsystem levels
The UJA1066 is designed to be used in combination with a microcontroller that incorporates a CAN controller. The fail-safe SBC ensures that the microcontroller is always started up in a defined manner. In failure situations, the fail-safe SBC will maintain microcontroller functionality for as long as possible to provide a full monitoring and software-driven fallback operation.
The UJA1066 is designed for 14 V single power supply architectures and for 14 V and 42 V dual power supply architectures.
Article Sources: NXP Semiconductors
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详见:http://news.eccn.com/news_2013022805120271.htm |
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